How To Fix CA_TTE419 - No decision trees found; see log warning messages 406, 407, or 408

SAP Error Message - Details

• Message type: E = Error

• Message class: CA_TTE - TTE Messages

• Message number: 419

• Message text: No decision trees found; see log warning messages 406, 407, or 408

What causes this issue?

There are two possible reasons for this:
Decision tree has not been released.
Decision tree has not been assigned.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

In the Customizing activity, <DS:SIMG.TTEC_DT>Define Tax Event
Determination</> (<ZK>Cross-Application Components -> Transaction Tax
Engine -> Tax Maintenance Settings -> Tax Determination and Calculation
-> Define Tax Event Determination)</>, call up the decision tree and
choose <ZK>Decision Tree -> Release</>.
Note: Only a released decision tree can be used for tax event
determination. Even if the <ZK>Valid-From</> and <ZK>Valid-To</> dates
are in the past, only a released decision tree can be used.
Assign the decision tree as described in in the sub-activity <ZK>Assign
Decision Tree</> contained in <DS:SIMG.TTEVCL_TXCALC>Assign Tax Event
Determination and Calculation Rules</> (<ZK>Cross-Application
Components -> Transaction Tax Engine -> Tax Maintenance Settings -> Tax
Determination and Calculation -> Assign Tax Event Determination and
Calculation Rules)</>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CA_TTE419 - No decision trees found; see log warning messages 406, 407, or 408 ?

  The SAP error message CA_TTE419 indicates that no decision trees were found during the execution of a task that requires them. This error is typically associated with the SAP Business Technology Platform (BTP) or SAP Analytics Cloud (SAC) when working with decision trees in predictive analytics or machine learning scenarios.
  Causes:
  
  Missing Decision Trees: The most straightforward cause is that the decision trees have not been created or are not available in the specified context.
  Incorrect Configuration: There may be issues with the configuration settings that prevent the system from accessing the decision trees.
  Data Issues: If the underlying data used to generate the decision trees is missing or corrupted, it can lead to this error.
  Authorization Issues: The user may not have the necessary permissions to access the decision trees.
  Log Warnings: The error message references log warnings 406, 407, or 408, which may provide additional context or details about the underlying issue.
  
  Solutions:
  
  Check Decision Trees: Verify that the decision trees have been created and are available in the system. You can do this by navigating to the relevant application or module where decision trees are managed.
  Review Configuration: Ensure that the configuration settings for the predictive model or analytics application are correct. This includes checking any parameters related to the decision trees.
  Inspect Data: Check the data sources used for creating the decision trees. Ensure that the data is complete and correctly formatted.
  Review Log Messages: Look at the log messages 406, 407, and 408 for more specific information about what might be causing the issue. These messages may provide insights into missing data or configuration problems.
  Check Authorizations: Ensure that the user executing the task has the necessary permissions to access the decision trees and related data.
  Recreate Decision Trees: If the decision trees are missing or corrupted, consider recreating them using the appropriate data and settings.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module you are working with (e.g., SAP Predictive Analytics, SAP Analytics Cloud) for detailed guidance on decision trees and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you have a support contract.
  
  By following these steps, you should be able to diagnose and resolve the CA_TTE419 error effectively.